Identify your inputs and outputs

Assignment Help Basic Computer Science

Reference no: EM131386005

(Word Problem) Your task is to design a combinational-logic subsystem as part of a larger system that makes change from quarters. There is a large reservoir of dimes and another one of nickels. There are also two binary counters that keep track of the number of dimes and nickels in each (these are outside your subsystem, and you won't need to design them-but you will need them as inputs). Your subsystem needs to work as follows. It takes the low-order bits of the dimes counter and the nickels counter, and generates the number of dimes to give as change and the number of nickels. In general, dimes should be given before nickels, e.g., if there are at least two dimes left, these should be given with a single nickel, rather than five nickels. There is definitely a possibility that no change can be given before the reservoirs are (almost) exhausted of coins, and a "no change available" sign should be illuminated.

(a) Identify your inputs and outputs.

(b) Specify the encoding of your outputs: what do they mean?

Reference no: EM131386005

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